21815946

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13931}}^1$

素因数の和:13971

約数の個数: 32

約数和(自身を含む): 50155200

約数和(自身を除く): 28339254

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13931, 27862, 41793, 83586, 125379, 250758, 376137, 403999, 752274, 807998, 1211997, 2423994, 3635991, 7271982, 10907973, 21815946]

約数ペア:

[(1, 21815946), (2, 10907973), (3, 7271982), (6, 3635991), (9, 2423994), (18, 1211997), (27, 807998), (29, 752274), (54, 403999), (58, 376137), (87, 250758), (174, 125379), (261, 83586), (522, 41793), (783, 27862), (1566, 13931)]